diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/DataDAO.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/DataDAO.java
index 56b520544f29941def546bf965a059edc900245b..b11fe8767548f9b94996f84368288c4136e28c98 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/DataDAO.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/DataDAO.java
@@ -466,7 +466,6 @@ final class DataDAO extends AbstractGenericEntityWithPropertiesDAO<DataPE> imple
         super.delete(entity);
     }
 
-    @Override
     public void invalidate(List<DataPE> dataSets, InvalidationPE invalidation)
             throws DataAccessException
     {